diff --git a/install.sh b/install.sh
index 04e5909..e5809fe 100755
--- a/install.sh
+++ b/install.sh
@@ -19,8 +19,9 @@ DOMAIN_NAME=${DOMAIN_NAME:-localhost}
 PORT=${PORT:-9872}
 
 ### PREREQUISITES ###
+sudo apt-get update
 
-if ! command -v nginx >/dev/null 2>&1
+if ! command -v nginx >/dev/null 2>&1 && [ "$1" != "dev" ]
 then
   sudo apt-get install nginx -y
 fi